If you are just a tiny bit freaked by the Large Hadron Collider (as -- I confess -- I am) there's a little ditty on YouTube explaining it all in a 4 minute rap song.

It has already been viewed by well over a million people, so perhaps you have already seen it. But check it out, if you feel so inclined. (And if everything goes horribly wrong after the collision, it was nice knowing you, gang!)

http://www.youtube.com/watch?v=j50ZssEojtM